I'm sorry to hear about the situation with your father. If you are looking to contact him, there are a few steps you could consider:
1. Reach out through mutual contacts: If you have any mutual friends or relatives who are still in touch with your father, you could try reaching out to them to ask for his contact information or to pass on a message.
2. Check social media: Try searching for your father's name on social media platforms like Facebook, LinkedIn, or Twitter. You may be able to find him or his acquaintances there.
3. Contact his workplace: If you know where your father works or used to work, you could try contacting his workplace to inquire about his contact information.
4. Hire a private investigator: If you have exhausted other options and are still unable to find your father, you could consider hiring a private investigator to help locate him.
It's important to approach the situation with sensitivity and respect, considering the circumstances surrounding your relationship with your father. I hope you are able to reconnect with him and resolve any issues you may have.